Fix analyze step on ios_rel_device bots.

third_party/protobuf/protobuf.gyp

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'conditions': [
     ['use_system_protobuf==0', {
       'conditions': [
         ['OS!="win"', {
           'variables': {
@@ skipping 35 matching lines @@
               # location that is shared with other projects. These actions are
               # separated into two targets in order to be able to specify that the
               # second action should not run until the first action finishes (since
               # the ordering of multiple actions in one target is defined only by
               # inputs and outputs, and it's impossible to set correct inputs for
               # the ninja build, so setting all the inputs and outputs isn't an
               # option). The first target is given here; the second target is the
               # normal protoc target under the condition that "OS==iOS".
               'target_name': 'compile_protoc',
               'type': 'none',
+              'toolsets': ['host'],
               'includes': ['../../build/ios/mac_build.gypi'],
               'actions': [
                 {
                   'action_name': 'compile protoc',
                   'inputs': [],
                   'outputs': [],
                   'action': [
                     '<@(ninja_cmd)',
                     'protoc',
                   ],
@@ skipping 166 matching lines @@
               ],
               'dependencies': [
                 'protobuf_full_do_not_use',
               ],
               'include_dirs': [
                 '<(config_h_dir)',
                 'src/src',
               ],
             }, {  # else, OS=="ios" and "<(GENERATOR)"!="ninja"
               'type': 'none',
+              'toolsets': ['host'],
               'dependencies': [
                 'compile_protoc',
               ],
               'actions': [
                 {
                   'action_name': 'copy protoc',
                   'inputs': [
                     '<(ninja_product_dir)/protoc',
                   ],
                   'outputs': [
@@ skipping 135 matching lines @@
           'toolsets': ['host', 'target'],
         },
         {
           'target_name': 'py_proto',
           'type': 'none',
         },
       ],
     }],
   ],
 }